TABLE 2
Properties of Radionuclides
Radionuclide
Half-life (d)
Mean energy (keV)
Tissue range (mm)
125
I
60.14
18
0.007
123
I
0.55
28
0.016
67
Cu
2.58
141
0.7
131
I
8.04
182
0.9
32
P
14.3
695
3.0
188
Re
0.71
765
3.8
90
Y
2.67
934
4.0